diff options
| author | Dmitry Eremin-Solenikov <dmitry.ereminsolenikov@linaro.org> | 2017-11-07 17:33:30 +0300 |
|---|---|---|
| committer | Maxim Uvarov <maxim.uvarov@linaro.org> | 2017-12-27 21:41:46 +0300 |
| commit | 08dc9d2008fa31418d4e8b53b8d4b32c18630256 (patch) | |
| tree | 92a00d2e3b027280dff005add0731123eb2e95b2 /helper | |
| parent | b742308f29903a494870840085e4a32ba7c6980b (diff) | |
helper: use new odp checksum API
Use odp_chksum_ones_comp16 which may be platform-optimized. This removes
now unnecessary odph_cksum() function.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsolenikov@linaro.org>
Reviewed-by: Bill Fischofer <bill.fischofer@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Diffstat (limited to 'helper')
| -rw-r--r-- | helper/include/odp/helper/chksum.h | 27 | ||||
| -rw-r--r-- | helper/include/odp/helper/ip.h | 2 |
2 files changed, 1 insertions, 28 deletions
diff --git a/helper/include/odp/helper/chksum.h b/helper/include/odp/helper/chksum.h index 1bf950c8b..ed2de91fb 100644 --- a/helper/include/odp/helper/chksum.h +++ b/helper/include/odp/helper/chksum.h @@ -35,33 +35,6 @@ typedef enum { } odph_chksum_op_t; /** - * Checksum - * - * @param buffer calculate chksum for buffer - * @param len buffer length - * - * @return checksum value in network order - */ -static inline odp_u16sum_t odph_chksum(void *buffer, int len) -{ - uint16_t *buf = (uint16_t *)buffer; - uint32_t sum = 0; - uint16_t result; - - for (sum = 0; len > 1; len -= 2) - sum += *buf++; - - if (len == 1) - sum += *(unsigned char *)buf; - - sum = (sum >> 16) + (sum & 0xFFFF); - sum += (sum >> 16); - result = ~sum; - - return (__odp_force odp_u16sum_t) result; -} - -/** * General Purpose TCP/UDP checksum function * * This function handles all the different checksum operations like diff --git a/helper/include/odp/helper/ip.h b/helper/include/odp/helper/ip.h index c6eb9d767..b96aab280 100644 --- a/helper/include/odp/helper/ip.h +++ b/helper/include/odp/helper/ip.h @@ -125,7 +125,7 @@ static inline int odph_ipv4_csum(odp_packet_t pkt, if (odp_unlikely(res < 0)) return res; - *chksum = odph_chksum(buf, nleft); + *chksum = ~odp_chksum_ones_comp16(buf, nleft); return 0; } |